文件压缩zip

/**
 * 将存放在sourceFilePath目录下的源文件,打包成fileName名称的ZIP文件,并存放到zipFilePath。
 * @param sourceFilePath 待压缩的文件路径
 * @param zipFilePath    压缩后存放路径
 * @param fileName       压缩后文件的名称
 * @return flag
 */
public static boolean fileToZip(String sourceFilePath, String zipFilePath,
                                String fileName) {
    boolean flag = false;
    File sourceFile = new File(sourceFilePath);
    FileInputStream fis = null;
    BufferedInputStream bis = null;
    FileOutputStream fos = null;
    ZipOutputStream zos = null;
    if (!sourceFile.exists()) {
        System.out.println(">>>>>> 待压缩的文件目录：" + sourceFilePath + " 不存在. <<<<<<");
    } else {
        try {
            File zipFile = new File(zipFilePath + "/" + fileName + ".zip");
            if (zipFile.exists()) {
                System.out.println(">>>>>> " + zipFilePath + " 目录下存在名字为："
                        + fileName + ".zip" + " 打包文件. <<<<<<");
            } else {
                File[] sourceFiles = sourceFile.listFiles();
                if (null == sourceFiles || sourceFiles.length < 1) {
                    System.out.println(">>>>>> 待压缩的文件目录：" + sourceFilePath
                            + " 里面不存在文件,无需压缩. <<<<<<");
                } else {
                    fos = new FileOutputStream(zipFile);
                    zos = new ZipOutputStream(new BufferedOutputStream(fos));
                    byte[] bufs = new byte[1024 * 10];
                    for (int i = 0; i < sourceFiles.length; i++) {
                        // 创建ZIP实体,并添加进压缩包
                        ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName());
                        zos.putNextEntry(zipEntry);
                        // 读取待压缩的文件并写进压缩包里
                        fis = new FileInputStream(sourceFiles[i]);
                        bis = new BufferedInputStream(fis, 1024 * 10);
                        int read = 0;
                        while ((read = bis.read(bufs, 0, 1024 * 10)) != -1) {
                            zos.write(bufs, 0, read);
                        }
                    }
                    flag = true;
                }
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        } catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException(e);
        } finally {
            // 关闭流
            try {
                if (null != bis) {
                    bis.close();
                }
                if (null != zos) {
                    zos.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
                throw new RuntimeException(e);
            }
        }
    }
    return flag;
}

标签：文件,null,zip,压缩,sourceFilePath,zos,new,sourceFiles
来源： https://www.cnblogs.com/zhengxy/p/15684615.html